In reviewing a patient’s complete blood count (CBC) results, the nurse notes a "shift to the left." What is the significance of these results?

There is an elevated number of immature thrombocytes.

There is an elevated number of immature neutrophils (bands),

There is an elevated number of mature neutrophils (segs)

There is an elevated number of mature erythrocytes

Answer and Explanation

The Correct Answer is B

A. There is an elevated number of immature thrombocytes - Thrombocytes are platelets, and a shift to the left does not refer to these.

B. There is an elevated number of immature neutrophils (bands) - A "shift to the left" typically refers to an increase in immature neutrophils, also known as bands, in the blood. This often indicates an acute infection or inflammation as the body is producing and releasing more neutrophils to fight an infection.

C. There is an elevated number of mature neutrophils (segs) - An elevated number of mature neutrophils (segmented neutrophils) does not indicate a shift to the left. The term specifically refers to immature forms.

D. There is an elevated number of mature erythrocytes - Mature erythrocytes are red blood cells, and a shift to the left does not pertain to red blood cell counts or maturity.

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Correct Answer is B

Explanation

A. Check the client's vital signs. While vital signs are important for overall assessment, the immediate priority when faced with wound dehiscence is to protect the wound and prevent further contamination or damage.

B. Cover the wound with a moist, sterile gauze dressing. The first priority is to cover the wound with a moist, sterile dressing to protect it from infection and to manage the drainage. This helps in creating a barrier to prevent contamination and supports the wound environment for healing.

C. Assess the client's pain level. Pain assessment is important but not the immediate priority in this case. Managing the wound and preventing further complications is more critical.

D. Obtain a culture and sensitivity of the wound drainage. While obtaining a culture is important to identify any infection, it is not the first action. Protecting the wound from further contamination comes first.

A. D-dimer blood test B. Complete blood count (CBC) C. CT scan D. Chest x-ray E. Lung ventilation and perfusion scan (VQ scan)

Correct Answer is ["A","C","E"]

Explanation

A. D-dimer blood test - A D-dimer test measures clot breakdown products in the blood. Elevated levels suggest the presence of an abnormal blood clot, such as in PE, although it is not specific.

B. Complete blood count (CBC) - A CBC is not typically used to diagnose PE. It may be ordered to check for other conditions or as part of the overall health assessment, but it doesn't confirm PE.

C. CT scan - A CT pulmonary angiography is the gold standard for diagnosing PE. It provides detailed images of the blood vessels in the lungs.

D. Chest x-ray - A chest x-ray is not diagnostic for PE. It is often performed to rule out other causes of the client’s symptoms (e.g., pneumonia, pneumothorax) but does not confirm the presence of a pulmonary embolism.

E. Lung ventilation and perfusion scan (VQ scan)
A VQ scan is another diagnostic tool for PE, especially in clients who cannot tolerate contrast dye required for CT scans. It assesses the ventilation and perfusion of the lungs and identifies mismatches suggestive of PE.

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In reviewing a patient’s complete blood count (CBC) results, the nurse notes a "shift to the left." What is the significance of these results?

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Naxlex Comprehensive Predictor Exams

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Explanation

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Explanation

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